Shares and Stockholders' Equity - Reconciliation of the Denominator Calculations of Basic and Diluted EPS (Details) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Stockholders' Equity Note [Abstract]
Weighted-average shares, as used in basic calculation (in shares)	169,562,903	171,034,695	187,359,884
Shares to cover non-vested stock (in shares)	568,491	968,005	1,357,245
Average stock options outstanding during the year (in shares)	25,345	989,123	1,844,117
Options (at average market price for the year) (in shares)	(21,949)	(783,232)	(1,419,165)
Shares repurchasable from measured but unrecognized stock option expense (in shares)	(944)	(21,006)	(43,314)
Average deferred compensation shares (in shares)	604,809	512,570	538,845
Weighted-average shares, as used in diluted calculation (in shares)	170,738,655	172,700,155	189,637,612